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Throttle Body

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18. For now, I'm done with the engine mods. Thanks to Jeeps R Us, I've got an extremely reliable 4.0L engine pushing out more power than stock, yet still getting better fuel economy than a stock engine would. One last widget I might try will be this Jeepers and Creepers throttle body. To keep costs down, they give you the basic body and bearings of the billet throttle body, but you'll need to cut and reuse parts off your stock throttle body to make it work. I haven't gotten brave enough to try it yet, but I'll let you know how it goes.